A pole that is 3.4m tall casts a shadow that is 1.03m long. At the same time, a nearby building casts a shadow that is 41.5mlong. How tall is the building?

Answers

Answer 1

Answer:

I got that the building is 136.9902912...(nonterminating) meters tall. Or you could round that to 137m tall. I got that by setting up ratios of the height and the shadows, then cross multiplying.

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Help me plz on this pre algebra question

Answers

x=side legnth of that right triangle

x=hypotonuse
remember
if legs=a and b
and hypotonuse=c (c=x)
c^2=b^2+a^2

a=2
b=4
c=?
2^2+4^2=c^2
4+16=c^2
20=c^2
square root obth sides
4.47
round
x=4.5

answer is B

Need help plz due on Monday I believe

Answers

Answer:

1(a) = 10

1(b) = 9

1(c) = 12

2(a) = 8

2(b) = 10

2(c) = 1

Step-by-step explanation:

1(a) = 22 - 2.6

= 22 - 12 = 10

1(b) = 6 - 1/4 . 16 + 21 / 3

= 6 - 16/4 + 7

= 6 - 4 + 7

= 9

1(c) = (8-5). (5-3)^2

= 3*2^2

= 3*4

= 12

2(a) = 4(x-2)/(x-1) when x = 0

= 4(0-2)/ (0-1)

= 4*-2/-1

= -8 / -1

= 8

2(b) = (-3x^2 + 4) / 4 when x = -2

= (6^2 + 4) / 4

= (36 + 4) / 4

= 40 / 4 = 10

2(c) = [-2x/4 + 4*(x-1)] / x^2 - 1 when x = 2

= (-1 + 4 * 1) / 4 - 1

= 3 / 3

= 1

1) a. 10
b. 9
c. 12

2) a. 4(x-2) / (x-1)
= 4(0-2) / (0-1)
= 4(-2) / (-1)
= -8/-1
= 8
b. -3x^2 + 4 / 4
= -3(-2)^2 + 4 / 4
= -3(4) + 4 / 4
= -12 + 4 / 4
= -8 / 4
= -2
c. [-2x/4 + 4 (x-1)] / x^2 - 1
= [-2(2)/4 + 4 (2-1)] / 2^2 - 1
= [-2(2)/4 + 4(1)] / 2^2 - 1
= [-2(2)/4 + 4(1)] / 4 - 1
= (-4/4 + 4)/ 4 - 1
= (-1 + 4) / 4 - 1
= 3 / 3
= 1

Anna, Elisa and Tiara are selling candy bars to raise money for the track team. The ratio of candy bars sold by Anna, Elisa and Tiara are 2 to 4 to 7.Elisa has sold 28 candy bars. How many candy bars do the girls sold altogether?

Answers

Number of candy bars sold by girls altogether is 91

Solution:

Given that The ratio of candy bars sold by Anna, Elisa and Tiara are 2 to 4 to 7

So ratio of candy bars sold by Anna, Elisa and Tiara = 2 : 4 : 7

Let the candy bars sold by Anna be 2a

Let the candy bars sold by Elisa be 4a

Let the candy bars sold by Tiara be 7a

Given that Elisa has sold 28 candy bars

Number of candy bars sold by Elisa = 28

4a = 28

a = 7

So we have found "a" as 7

Thus we get,

candy bars sold by Anna = 2a = 2(7) = 14

candy bars sold by Elisa = 4a = 4(7) = 28

candy bars sold by Tiara = 7a = 7(7) = 49

We have to find the number of candy bars sold by girls altogether

number of candy bars sold by girls altogether = candy bars sold by Anna + candy bars sold by Elisa + candy bars sold by Tiara

number of candy bars sold by girls altogether = 14 + 28 + 49 = 91

So altogether girls sold 91 candies

Steve's nut world increases the weight of its big almond bag by 3 ounces seven big almond bags now weigh a total of 126 ounces . How many ounces did the old big almond bag weigh

Answers

126/7=18 (so that's 18 ounces per bag)
now subtract the 3 ounces that were added to each bag:
18-3=15
so the old almond bag weighed 15 ounces

What is - 6

5p - p when you simplify it

Answers

5p-p=4p. The question doesn't make sense because ther is no sign after the minus 6. If it is an X it would be -24p. If it is an add it would be -6+4p. If it was a - it would be -6-4p.

100 adults were surveyed and asked whether or not they had chosen a candidate to vote for in an upcoming election. Are theevents W = "is a woman' and C = "has chosen a candidate' independent? Why or why not?
Yes, because P(W & C) = P(W) + P(C).
No; because P(W & C) P(W) + P(C).
Yes; because P(W & C) = P(W) P(C).
No; because P(W & C)# P(W). P(C).

Answers

Answer: I just answered on USA Test prep

C.)

Yes; because P(W &C) = P(W) • P(C).

Step-by-step explanation:

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